Raybestos 980520 Disc Brake Rotor - Front

Raybestos Specialty - Street Performance Disc Brake Rotor Overview

The Raybestos Specialty - Street Performance disc brake rotor, part number 980520, is engineered for select Mercedes-Benz models including the E350, E500, E550, S430, and S500. Designed to meet precise specifications, this vented rotor ensures reliable braking performance tailored for street driving conditions.

• Vented disc brake rotor for improved heat dissipation
• Nominal thickness of 1.260 inches (32.000 mm) with discard thickness at 1.159 inches (29.450 mm)
• Overall height of 1.874 inches (47.600 mm)
• Outside diameter measuring 12.992 inches (330.000 mm)
• Five mounting bolt holes with a bolt circle diameter of 4.409 inches (112.000 mm)
• Center hole diameter of 2.638 inches (67.000 mm)
• Conventional rotor type compatible with drum-in-hat systems

Detailed Product Specifications and Features

This Raybestos disc brake rotor is a vented design, which helps reduce heat buildup during braking, maintaining consistent performance and reducing the risk of brake fade. The rotor’s nominal thickness is 1.260 inches (32.000 mm), with a discard thickness of 1.159 inches (29.450 mm), indicating when the rotor should be replaced to maintain safe braking. The overall height of 1.874 inches (47.600 mm) and outside diameter of 12.992 inches (330.000 mm) are engineered to fit the braking system of specified Mercedes-Benz models precisely. The rotor features five mounting bolt holes with a bolt hole diameter of 0.595 inches (15.100 mm) and a bolt circle diameter of 4.409 inches (112.000 mm), ensuring secure installation. The center hole diameter of 2.638 inches (67.000 mm) aligns with the vehicle hub for proper fitment. This rotor is a conventional type, compatible with drum-in-hat brake systems commonly found on these Mercedes-Benz vehicles.

About the Specialty - Street Performance Product Line

The Raybestos Specialty - Street Performance line focuses on delivering rotors designed for street-driven vehicles requiring dependable braking under everyday conditions. This product line balances performance and durability, making it suitable for drivers of Mercedes-Benz E350, E500, E550, S430, and S500 models who demand consistent stopping power without compromising rotor longevity.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Upgrading from solid to vented rotors for improved heat management
• Addressing brake noise or vibration issues related to rotor wear
• Restoring proper rotor thickness to maintain braking efficiency
• Ensuring compatibility with drum-in-hat brake systems on specified Mercedes-Benz models

Installation Notes and Tips

• Verify rotor dimensions and bolt pattern compatibility with your Mercedes-Benz model before installation
• Inspect brake pads and hardware for wear and replace as necessary during rotor installation
• Ensure proper torque specifications on mounting bolts to avoid rotor warping
• Clean rotor surface with brake cleaner to remove any protective coatings before use
• Perform a bed-in procedure after installation to optimize braking performance

Quality Assurance and Warranty

Raybestos rotors, including part number 980520, are manufactured to meet or exceed OEM specifications for fit, form, and function. The Specialty - Street Performance rotors undergo rigorous quality control to ensure durability and consistent braking performance. Warranty coverage details should be confirmed with the product documentation or supplier.